Ocean palette
Halcyon Boulevard
From #00495a ink through #00738c, #318ea8, #539cb2 to #70b8cf light, Halcyon Boulevard is a tetradic progression that holds together at any size. Use it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
cyanoceanfive-stop
#00495a
#00738c
#318ea8
#539cb2
#70b8cf
The generator opens with #00495a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.